MC68HC11D0CFNE3 Freescale Semiconductor, MC68HC11D0CFNE3 Datasheet - Page 66

• Manufacturer Part Number: MC68HC11D0CFNE3
• Description: IC MCU 8BIT 3MHZ 44-PLCC
• Manufacturer: Freescale Semiconductor
• Series: HC11r

Specifications of MC68HC11D0CFNE3

• Core Processor: HC11
• Core Size: 8-Bit
• Speed: 3MHz
• Connectivity: SCI, SPI
• Peripherals: POR, WDT
• Number Of I /o: 26
• Program Memory Type: ROMless
• Ram Size: 192 x 8
• Voltage - Supply (vcc/vdd): 4.5 V ~ 5.5 V
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 44-PLCC
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Program Memory Size: -
• Data Converters: -

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Serial Communications Interface (SCI)
TRANSMITTER
REQUESTS
BAUD RATE
SCI Rx
CLOCK
SCCR1 SCI CONTROL 1
SCI INTERRUPT
REQUEST
H (8) 7 6 5 4 3 2 1 0 L
10 (11) - BIT Tx SHIFT REGISTER
Figure 6-1. SCI Transmitter Block Diagram
SCDR Tx BUFFER
MC68HC711D3 Data Sheet, Rev. 2.1
TDRE
TIE
TC
TCIE
CONTROL LOGIC
TRANSMITTER
SCSR INTERRUPT STATUS
(WRITE ONLY)
SCCR2 SCI CONTROL 2
DIRECTION (OUT)
FORCE PIN
AND CONTROL
PIN BUFFER
DDD1
INTERNAL
DATA BUS
Freescale Semiconductor
PD1
TxD